Introduction
Le LG G4 se veut un emblème du luxe avec sa caméra vantée et sa coque arrière en cuir véritable en option. Mais est-ce que le LG nous offrira également le luxe de la réparabilité ? Rejoignez-nous pour le démontage du G4 et faites le plein de rayons X – grâce à nos amis chez Creative Electron.
Vous aimez les images radio ? Ne ratez pas notre démontage de l'Apple Watch avec rayons X.
Vous voulez voir l'intérieur des derniers gadgets ? Suivez-nous sur Instagram, Twitter et Facebook!
Ce dont vous avez besoin
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Le LG G4 ne fonctionne ni à la force g ni grâce aux rongeurs ; voici ce que c'est :
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Écran 5.5" IPS "Quantum" avec une résolution de 2560 x 1440 (538 ppi)
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Processeur 6-core, 1.8 GHz, 64-bit Qualcomm Snapdragon 808
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RAM 3 Go
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Stockage interne 32 Go, extensible jusqu'à 2 To supplémentaires via carte microSD
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Caméra arrière 16 MP, f/1.8 avec stabilisation d'image optique (OIS) et autofocus laser, et caméra frontale de 8 MP, f/2.0
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802.11 a/b/g/n/ac wi-fi, Bluetooth 4.1 BLE, et connectivité NFC
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Android 5.1 Lollipop
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Nul besoin d'outils ! Le G4 dispose d'une encoche pratique pour retirer facilement le panneau arrière.
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En ce qui concerne la réparabilité, c'est prometteur.
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Nous n'avons pas besoin d'une radio pour voir que cette batterie est remplaçable par l'utilisateur.
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Mais les rayons X, c'est tellement plus rigolo !
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Le G4 dispose d'une batterie lithium-ion de 3,85 V avec une capacité d'au moins 11,2 Wh. Le service marketing de LG ne se prononce pas sur la longévité de la batterie, mais a veillé à bien faire comprendre que la batterie de 3,000 mAh dure très longtemps.
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Le Galaxy S6 se positionne juste derrière avec sa batterie de 3,85 V et 9,82 Wh.
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L'iPhone 6 dispose d'une batterie de 3,82 V avec une capacité de 6,91 Wh.
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Malgré les spécifications impressionnantes, nous pensons que la caractéristique la plus excitante de cette batterie est le fait qu'elle soit facile à retirer.
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Cela fait du bien de voir que LG semble être un des rares concepteurs tenant bon dans la guerre des entreprises contre les batteries remplaçables par l'utilisateur ... parce que, vous savez, les batteries ne fonctionnent plus au bout d'un moment.
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Cela a l'air d'un bout de plastique ordinaire, mais ceci, chers amis, c'est à quoi ressemble la liberté ! Des languettes en plastique minuscules sur le boîtier arrière permettent de le retirer facilement – une technologie simple que nous croyions être aussi perdue que le ciment romain.
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Mais attendez, il y a encore plus ! Nous apercevons quelques contacts dans le plastique.
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Quelques radios plus tard, et nous découvrons l'antenne NFC camouflée, et non pas une bobine de charge sans fil.
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Nous avons réussi à atteindre le châssis central sans même ouvrir notre boîte à outils. La première chose qu'il nous faut, c'est notre set de tournevis Pro Tech avec le tournevis cruciforme standard pratique #0.
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Puis, nous nous servons d'un opening pick (médiator) pour soulever le châssis central et faire apparaître le cœur du G4.
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Nous jetons un coup d'œil au numéro de modèle du G4 - LG-H811- avant de
le mettre en morceauxcontinuer.
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La caméra selfie de 8 MP ne fait pas le poids contre notre spudger (spatule).
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La chose la plus notable de cette petite caméra est son effet de lissage, qui semble être utile lors des prises de photo normales - si vous n'avez pas besoins de détails nets.
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LG essaie d'aider ses fans d'Instagram : les photos sont meilleures, et on peut toujours mettre #nofilter. Techniquement.
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Nous retirons la carte mère du G4, ce qui nous permet de mieux voir tout ce qui s'y trouve. Voici quelques CI :
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Samsung K3QF6F60AM-QGCF 3 Go LPDDR3 RAM
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La puce hexacœur Qualcomm Snapdragon 808 SOC de 1.8 GHz se trouve sous la RAM.
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Flash Toshiba THGBMFG8C4LBAIR 32 Go NAND
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Broadcom BCM4339HKUBG 5G WiFi Client
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CI de gestion de puissance Qualcomm PMI8994
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CI de réception de puissance sans fil Qi IDT P9025A
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Émetteur-récepteur Qualcomm WTR3925 LTE
Como lo compro
Thanks for this great document. I was looking into how to fix the WIFI and Bluetooth. My older G4 has problem to turn on WIFI nd bluetooth, I finally get to see the parts oday by using your chart.......but I do not know what I can do......should I try to bake the mother board???
We're could I get one for 120 us
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Nous nous penchons sur le reste du G4 et retirons la caméra arrière 16 MP pour l'examiner de plus près.
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La caméra dispose d'un capteur d'image 1/2.6" ainsi que d'un autofocus laser et d'une stabilisation d'image optique. Par contre, le sujet principal de discussion était l'ouverture de f/1.8 de la caméra.
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De ce côté du G4, nous pouvons également apercevoir son IR Blaster (à gauche du trou du microphone).
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Espérons que l'usage de ce téléphone en tant que télécommande ne le condamne pas pour toujours aux coussins du canapé ...
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La complexité de la caméra arrière et sa stabilisation d'image sont encore plus évidentes sous les rayons X ! Ce châssis ! Ces puces !
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La caméra minuscule juste à côté est la caméra avant, ce n'est qu'une lentille simple et un capteur d'image sans mécanisme de stabilisation d'image optique (OIS).
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Vue de profil, la caméra arrière ressemble un peu à Nessie. Une conspiration ? Probablement pas.
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Nous nous tournons vers la prise casque et la retirons du châssis à l'aide d'une pincette.
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C'est une bonne journée quand la prise casque est plus facile à réparer que la plupart des composants dans votre casque, euh, écouteur.
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La prise audio est libre comme l'air.
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Les contacts à ressort sont une façon géniale pour joindre des composants, il n'y ni soudure, ni tracas, et ils sont simples à remplacer.
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Les parties les plus sombres de la radio, c'est le métal des contacts qui transmettent l'énergie et les données de la prise casque vers la carte mère et vice versa. Les parties grises ne sont que le boîtier en plastique.
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Un autre composant fixé à l'aide d'un contact à ressort : le vibreur !
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Le vibreur semble être un moteur à vibrations de type plat. Les deux dispositifs ronds sont des bobines de fil, et la partie foncée en forme d'enclume est un poids qui tourne, créant ainsi les vibrations du moteur.
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Vu de côté, les contacts à ressort ont plus de volume, et on peut même voir les filaments métalliques individuelles dans les bobines. Chouette.
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Le score de réparabilité du LG G4 : 8 sur 10 (10 étant le plus facile à réparer).
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Le panneau arrière et la batterie peuvent être retirés sans outils.
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Beaucoup de composants sont modulaires et peuvent être remplacés individuellement.
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On trouve toujours facilement un tournevis pour les vis cruciformes standards #0.
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L'ensemble écran est fusionné, la vitre et l'écran LCD doivent être remplacés ensemble si l'un d'eux se casse.
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Et enfin, nous remercions nos amis chez Creative Electron pour leur équipement et leur expertise !
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Merci à ces traducteurs :
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74 commentaires
It must kill LG to have to use Samsung RAM chips.
Corporations do not have emotions.
Almost everybody buys from anybody. Samsung sells parts to Apple, etc, etc.
It's all about maximising profit. Do that and nobody cares where the parts come from (unless your corporation can do it cheaper itself.)
Awesome! I loved this X-Ray feature.
Anyone knows where I can purchase the rear camera module? My daughter shattered the glass.
Thanks in advance.
Hi. The plastic trim around the screen is all attached is it? There's no way of replacing it without replacing the whole screen?
you could probably use a heat gun to seperate the glass from the from i know you buy just the frame on amazon
Excellent guide, The place I work will not allow cameras on the work site, will the phone still work with the cameras removed completely?
Dude...Just cover the cameras up and call it a day (And disable the camera app)
There are a LOT of reports of the wireless charging breaking after several weeks to a month of use. As in, the Qi wireless charging ability completely dies. This is unfortunate!
On their website IDT is no recommending the 9025A and has a newer model, the 9025AC. Are these 2 facts related? Will LG upgrade newer ones to this chip?
Hi. My unit was manufactured in may 2015 (as per the serial number found on the retail box) and found out that units manufactured before sept. 2015 has a design flaw. Mine was purchased in june 2015. started to boot loop in oct 25 2015. Returned it to LG. their assessment was for mother board replacement.
did u have ur motherboard replaced ? and is it working fine now with new motherboard?
How can I change the bottom microphone? It stopped working/something might be clogged in it, and it doesn't appear to be in this teardown. Please help!
Did you find any sulotion? I have the problem now. Thank you if you help me.
houman -
I'm also having this issue after about a year of use. Is it possible to access the port without having to take off the motherboard?
Hi all. My G4 H815 was manufactured in June 2015. Mine was purchased on 24 July 2015. started to boot loop on 19 November 2015. Returned it to LG the next morning and just got my motherboard replaced and received a November 2015 unit today. The technician does not know the problem of the unit when asked.
did you get the motherboard replaced ? and is it working fine with new motherboard now
My husband dropped his brand new LG G4 in salt water. The motherboard burned. Can it be replaced?
My LG G4 is going through a "Bootloop" I wanted to know if the internal memory could be removed to retrieve the inner contents. That or just fixing the Bootloop seeing how LG admits to this being a defect in most device's in the components of the device.
how can i boost antenna main signal strength. phone showes no signal and iphone has 4 bars
Same thing happen to my unit, bought in July 2015. Started boot loop and died off subsequently last week. Return to LG and had motherboard replaced.
is your g4 working fine with the new motherboard or has it faced the bootloop issue again
LG knows of the boot loop issue. It's seems to be a batch where the processor becomes loose from the motherboard. Heat gun and sticking freezer are quick very short term solutions. LG will replace phone or board no real questions asked.
Wait. H811? I have an unlocked G4 and it says H815
Any ideas on how to fix the bootloop issue?
It can't be fixed as it's not a software issue, it's a hardware issue. The only way to fix it is have LG replace it unfortunately :(
Craig -
Can be fixed short term by puttin freezer
Is it possible to remove the Toshiba THGBMFG8C4LBAIR 32 GB Flash memory and place it into another G4?
Did you get a reply to this? I'd like to know, too.
Of course, I've done it yesterday
Where is the Bluetooth module or antenna located?
my phone just stopped working the other day for no apparent reason. new chargers , different places and a new battery today. no luck . I noticed in the teard
down pictures . the white square next to the four gold prongs that line up with the battery , mine is red . any thoughts ? please help I have so mNY Pics that cant be replaced...... my house burnt down last august
it appears that the car charger burnt my LG-G4, it won't turn ON anymore. any ideas which component can be replaced -or- is it better to forget it?
How do I replace the bezel around the screen?
oh...the good days that ended on the g4 for lg, and s4 for samsung..................you will be missed flimsy removeable back cover
my key boad will not come on for my pass word
Screen replacement took about a half hour. Heat source was required to separate old screen from frame.
Hello
I burned motherboard model LG G-4 (H 818P), and I want to buy please give me Information manager.
Hello, you have the PMI8994 and PM8994 Power Management ICs on your motherboard?
I give a message to Iran and to How can I access lg g4 phone motherboard model h818p I get?
Why do you think about RAM. RAM crashes in the phones very rarely, DO NOT THINK THAT BOOTLOOP WAS CAUSED BY RAM OR CPU. THIS IS VERY BAD NAND SOLDERING. REBALL IT AND ALL WILL BE NICE.
can somebody learned in the ways of motherboards tell me if there's any possible way to pull off pictures, music, notes, etc. after the G4 goes into its bootloop? I have a lot of priceless files and data on this phone I would probably sell my soul for. As far as I know, it's irretrievable. Can someone confirm or deny this?
To anyone considering this phone, stop. This is my second LG G4 that died due to motherboard manufacturing issues. They aren't isolated instances. Most users have had this issue within 6 mos. to 1 yr. of purchasing. Interesting how the phone dies right around the end of its 1-Year Warranty.
I have no interest in having this phone replaced by LG or repaired since I already ordered a new phone. I just want to extract the files. There has to be some way to do this. I find it hard to believe that in December 2016 that this can't be done. The only reason I haven't gone Office Space on this otherwise useless phone is because I still have hope I can retrieve my lost files.
Of course, but only if you have equipment. Only some of repairman can do it.
Put it in the freezer in a Ziploc bag. Wait about an hour. Should boot normal. But will give u a short window to get files off. Once chip starts heat up, jumps into boot loop again. I had good luck sandwiching phone between 2 big ice packs and using my laptop with usb. micro cable download all files needed.
Desolder the eMMC chip and insert it into the correct eMMC chip reader. Unless the data is encrypted, you can access even the things you wouldn’t access through your phone’s file manager. Then you can even change the bootloader, root the phone, download everything eg. documents, load or store backup, perform recovery of your deleted files.. When you’re done, reball the chip back on the motherboard and your phone may work fine if you do everything correctly.
I'm aware the g4 has two external LDI stickers. One in the battery compartment and one on the battery itself. But does it have internal ldi stickers?
where can i buy a new motherboard ? cause they ask ridiculous prices to repair outside warranty . and repairing? i can do that myself not that difficult
Hey, after a waterdamage and a bath in Isopropanolalcohol to save it, my LG G4 reacts normally. Touch, Calls, Cam etc. But the screen stays very very dark. You almost cant`t make out anything. What can it be?
how can i repair a discharging phone
Hi, Can someone tell me where the GPS antenna's at?
how do i add ton ain antiana
my lg g4 network signals has become weak due to some reason can any one tell me solution..
hello,
my lg 4 powered off and wont power back on and has a full charge.I need to somehow try to recover my texts off of it.Is this possible without spending a fortune.Help..I need them for court
Is there a way to replace whatever part of the phone manages display? I got my LG wet on the weekend. Phone working - but no display. I can live with the sketchy speakers. Been in rice 2 days. Can only answer in my car on bluetooth. it will not "swipe" to answer, etc. on a blacked out screen.
Having issues with screen splitting vertically/glitching. Maintains image just keeping shifting up/and down on left side.Right side of image stays still. Replaced screen/digitizer unit, still the same anyone have any advice?
No Light Display. .. Took my G4 apart to repair micro usb hub and when I put it back together I can no longer see the screen without nothing short of a bright light shining on screen. anyone have a few suggestions of possibilities of what I done wrong? does screen get sealed with something or did misplace the lcd lights maybe?
Have same issue. Dropped phone less than 2 fest. Nothing cracked, but screen is black
Have an LG G3 will not charge battery, Help Greatly Appreciated
I love this… It was so informative… Keep up the great work!
The seal in front of the camera (removed in step 5) I took off thinking it was just for decoration, but little did I know it also kept debris from entering the camera mechanism! Now, my camera sometimes refuses to boot, but if you take a needle and go around it’s perimeter and clear away dust, it starts to work. In addition, and the reason I came here, is that I now have a more permanent spec of dust behind the lens itself, so I will have to disassemble the camera or get a new one…
what is the gold-colored paper strip called and can I get it separately?
